MATERIALColor changing ceramic mug is made of premium heat-sensitive material, ensuring durability and an exquisite design, resistant to high temperature, non-toxic, lead-free, and chromium-free. CREATIVEHeat sensitive anime beauty coffee mug is a very interesting mug, the change from black to the Sexy big ass picture is amazing to watch, gag gift for family and friends FUNNYMake your coffee time more enjoyable. Give your friend or family a cup of hot coffee by regular black mug and within minutes the black was fading away and the Sexy big ass was revealed, How interesting it is. To life by some fun CAPACITY 11 ounces can fully satisfy daily use, it can be used perfectly on all occasions, show your vitality at the home, office, or other places. Whether for Halloween, Christmas, Father's day, Mother's day, Anniversary, Birthday party, Retirement, Graduation, First day, Last day of schools funny gifts for your family and friends on summer outdoor seasoning, Labor day, Appreciation week, New year, Thanksgiving, Grandparent's day, Valentines, this funny mug is sure to impress. It's a creative and unique gift option for everyone ADVICEDue to the particularity of the manufacturing process.Color changing mugs are not dishwasher and microwave safe. Hand wash only. Don't soak